四年级数学计算题小数加减运算习题与答案.docx

四年级数学计算题小数加减运算习题与答案.docx

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四年级数学计算题小数加减运算习题与答案

四年级数学计算题（小数加减运算）习题与答案

4.17+9.25=9.88+6.15=5.4+8.03=

0.31+8.9=9.77+9.61=7.44+7.89=

4.23+7.24=4.19+9.28=1.87+6.9=

4.18+2.76=7.65+9.94=5.37+9.5=

4.48+8=7.77+0.95=3+2.1=

1.2+0.03=5.29+3.7=0.04+5.29=

6.12-5.99=8.09-2.17=8.45-7.02=

6.87-4.43=7.47-6.79=8.71-5.88=

9.8-2.6=8.02-4.63=3.09-2.56=

3.58-2.81=3.5-0.06=3.4-2.5=

8.02-7.34=7.25-2.93=8.89-8.45=

6.31-1.51=6.16-4.16=6.71-5.63=

1.75+7.77+7.22=8.41+0.04+7.02=3.2+8.67+8.53=

1.91+2.04+1.21=5.37+2.72+7.08=3.69+0.85+2.68=

2.43+9.99+1.81=6.81+9.98+2.98=1.08+0.29+9.05=

8.84+2.81+4.08=4.4+4.63+1.6=1.13+8.86+3.34=

7.07+1.21+8.21=1.54+8.25+8.81=0.49+8.04+1.9=

4.25+0.4+2.93=6.61+4.12+9.39=0.68+0.71+4.81=

5.35+2.57-4.47=8.73+1.91-8.57=9.55+0.91-6.75=

0.72+6.66-0.65=9.34+6-9.84=2.49+6.8-6.4=

2.54+1.53-3.23=3.56+3.59-5.66=6.19+3.78-8.39=

1.85+4.24-3.8=4.16+6.64-3.1=9.13+5.02-7.13=

7.11+4.36-5.17=3.14+8.67-3.62=4.27+3.58-0.48=

4.36+4.9-2.53=3.07+5.39-6.32=6.74+6.66-0.86=

6.54-4.47+8.4=5.37-1.43+8.31=3.58-0.37+7.71=

9.73-2.51+0.14=8.97-4.84+4.31=3.97-2.47+1.16=

9.17-3.13+5.97=1.78-0.02+0.77=9.75-1.94+4.18=

3.92-2.68+0.98=7.73-2.99+0.98=6.34-4.15+9.35=

1.9-1.6+8.78=7.78-3.72+4.71=6.18-0.18+1.65=

8.83-7.96+6.41=9.72-8.92+5.51=6.71-3.56+8.8=

5.4-0.98-0.9=7.79-0.14-4.92=9.56-0.12-7.64=

7.85-2.86-4.06=8.08-5.43-1.33=7.66-3.13-0.55=

8.12-5.99-1.01=7.57-0.04-7.42=9.06-6.07-2.36=

4.04-0.5-0.37=8.82-2.67-5.82=3.81-1.12-2.44=

6.23-1.41-3.82=8.49-0.13-2.79=7.23-2.74-2.7=

6.77-1.29-4.54=6.97-1.88-0.73=8.42-6.12-0.66=

5.98+0.32+6.69+5.47=2.32+6.01+2.4+1.22=3.85+7.5+2.31+8.47=

7.42+2.09+8.87+0.58=1.05+9.25+3.49+6.96=0.75+8.87+2.99+4.59=

0.2+9.05+2.94+2.42=8.22+8.04+7.76+4.54=5.77+1.3+8.01+5.36=

9.97+5.82+0.08+5.33=9.88+7.05+4.35+9.91=5.01+9.51+3.78+5.2=

5.46+1.66+5.62+2.87=9.92+6.79+6.05+4.02=5.49+6.75+8.98+6.14=

1.73+2.04+7.37+9.99=9.88+2.55+8.03+3.38=6.97+6.16+8.47+7.07=

3.38+7.59+7.58-4.16=2.62+9.26+9.87-7.49=1.05+6.96+7.48-1.95=

5.87+7.34+2.15-7.15=0.08+1.34+4.58-4.06=3.26+7.58+7.61-3.06=

9.19+2.44+4.87-4.84=1.28+8.55+6.62-5.42=9.45+2.77+0.32-5.29=

3.86+4.43+4.01-8.97=2.62+9.85+7.05-5.34=4.01+5.01+4.05-0.76=

6.08+7.94+4.69-7.09=9.77+5.41+4.42-4.03=5.58+2.43+8.22-0.13=

7.06+2.28+2.4-0.83=9.31+4.94+7.47-2.15=4.27+5.31+8.93-7.39=

0.04+9.45-0.43+1.33=6.35+6.04-8.92+0.21=3.59+2.15-0.3+8.32=

8.4+7.73-7.95+2.02=9.48+9.15-5.01+3.7=3.35+8.68-5.59+2.4=

3.02+3.96-1.77+1.3=9.17+8.42-6.12+5.91=1+5.12-4+9.59=

9.68+8.85-6.03+1.81=6.43+6.76-5.95+9.85=1.77+4.23-4.87+4.7=

3.51+9.67-6.73+6.95=9.13+9.67-7.67+3.82=8.54+7.79-5.91+8.3=

8.02+1.44-8.18+0.7=3.39+8.25-0.12+3.41=6.17+8.93-3.73+7.38=

6.13+4.89-0.35-8.26=1.26+9.27-5.64-1=6.79+6.12-3.69-3.99=

7.66+9.8-4.77-0.16=0.29+9.07-6.25-1.81=8.05+7.89-2.47-2.77=

5.51+1.37-3.28-2.31=6.21+6.58-2.9-0.37=6.23+2.81-3.43-0.08=

8.89+7.51-0.26-9.4=6.89+9.42-4.75-1.96=6.71+2.26-1.86-5.71=

8.71+2.88-2.47-3.15=1.82+5.39-3.46-1.47=8.66+6.8-8.87-6.17=

4.07+0.62-2.14-2.45=9.2+0.79-0.74-8.79=5.28+8.52-2.1-1.37=

2.24-0.42+3.21+9.27=3.29-2.91+6.28+6.16=2.37-0.43+3.96+2.06=

4.04-3.04+2.84+3.47=6.81-1.58+5.88+5.22=8.27-8.09+2.83+2.96=

8.08-0.74+8.38+8.65=1.23-0.66+9.91+8.73=4.01-1.14+7.4+5.37=

7.29-7.01+2.56+6.82=8.53-3.02+1.38+4.65=9.79-8.48+1.65+5.62=

1.79-0.63+0.48+5.01=9.67-6.7+8.1+4.48=2.73-0.04+1.19+7.81=

2.96-0.76+1.14+2.5=7.73-2.86+0.34+2.05=5.28-1.55+9.18+9.35=

8.55-4.46+4.54-0.86=9.87-5.02+2.47-4.01=9.13-1.75+5.28-8.44=

9.58-1.95+4.91-4.63=6.63-1.01+6.04-7.23=7.74-3.62+6.44-3.15=

9.08-5.71+2.99-4.44=6.75-0.8+5.63-8.06=1.93-1.74+8.5-3.21=

4.94-1.89+9.85-5.05=7.21-6.95+9.34-5.11=8.08-4.71+7.37-5.68=

9-4+1.71-5.08=8.91-2.42+2.88-5.17=4.86-3.44+6.93-2.02=

5.42-0.57+7.47-3.38=6.11-0.25+2.54-3.79=8.14-1.83+9.93-8.38=

7.48-0.5-3.23+3.83=6.71-3.41-1.25+5.83=6.02-0.25-1.04+9.1=

8.68-3.27-4.69+6.16=6.46-1.68-3.17+5.87=7.55-2.47-4.16+0.43=

8.12-1.17-4.5+2.89=8.11-3.89-2.53+3.32=8.1-2.05-4.12+8.33=

7.11-4.86-0.73+0.46=4.69-2.11-0.6+7.95=8.79-5.12-3.07+2.2=

8.42-2.16-5.19+8.5=7.11-1.44-1.55+5.62=8.87-1.19-5.42+1.84=

9.64-3.21-4.95+0.6=7.64-0.65-2.44+0.41=6.87-0.56-4.8+6.92=

7.19-6.91-0.06-0.12=9.53-2.87-2.77-0.6=9.55-3.57-2.81-1.95=

8.54-0.02-0.31-6.79=8.49-0.62-2.87-0.74=4.63-1.59-0.99-1.76=

9.54-5.1-0.48-0.43=7.08-0.88-1.69-1.65=7.21-1.23-0.48-0.84=

7.81-2.71-0.12-4.71=7.97-0.33-1.93-1.47=9.38-4.06-1.85-0.45=

8.86-0.66-2.73-4.11=4.86-0.47-0.21-0.08=9.3-0.77-0.12-4.6=

4.23-0.22-1.12-0.56=5.57-3.65-0.5-1.15=7.92-2.5-1.3-1.41=

参考答案：

4.17+9.25=13.429.88+6.15=16.035.4+8.03=13.43

0.31+8.9=9.219.77+9.61=19.387.44+7.89=15.33

4.23+7.24=11.474.19+9.28=13.471.87+6.9=8.77

4.18+2.76=6.947.65+9.94=17.595.37+9.5=14.87

4.48+8=12.487.77+0.95=8.723+2.1=5.1

1.2+0.03=1.235.29+3.7=8.990.04+5.29=5.33

6.12-5.99=0.138.09-2.17=5.928.45-7.02=1.43

6.87-4.43=2.447.47-6.79=0.688.71-5.88=2.83

9.8-2.6=7.28.02-4.63=3.393.09-2.56=0.53

3.58-2.81=0.773.5-0.06=3.443.4-2.5=0.9

8.02-7.34=0.687.25-2.93=4.328.89-8.45=0.44

6.31-1.51=4.86.16-4.16=26.71-5.63=1.08

1.75+7.77+7.22=16.748.41+0.04+7.02=15.473.2+8.67+8.53=20.4

1.91+2.04+1.21=5.165.37+2.72+7.08=15.173.69+0.85+2.68=7.22

2.43+9.99+1.81=14.236.81+9.98+2.98=19.771.08+0.29+9.05=10.42

8.84+2.81+4.08=15.734.4+4.63+1.6=10.631.13+8.86+3.34=13.33

7.07+1.21+8.21=16.491.54+8.25+8.81=18.60.49+8.04+1.9=10.43

4.25+0.4+2.93=7.586.61+4.12+9.39=20.120.68+0.71+4.81=6.2

5.35+2.57-4.47=3.458.73+1.91-8.57=2.079.55+0.91-6.75=3.71

0.72+6.66-0.65=6.739.34+6-9.84=5.52.49+6.8-6.4=2.89

2.54+1.53-3.23=0.843.56+3.59-5.66=1.496.19+3.78-8.39=1.58

1.85+4.24-3.8=2.294.16+6.64-3.1=7.79.13+5.02-7.13=7.02

7.11+4.36-5.17=6.33.14+8.67-3.62=8.194.27+3.58-0.48=7.37

4.36+4.9-2.53=6.733.07+5.39-6.32=2.146.74+6.66-0.86=12.54

6.54-4.47+8.4=10.475.37-1.43+8.31=12.253.58-0.37+7.71=10.92

9.73-2.51+0.14=7.368.97-4.84+4.31=8.443.97-2.47+1.16=2.66

9.17-3.13+5.97=12.011.78-0.02+0.77=2.539.75-1.94+4.18=11.99

3.92-2.68+0.98=2.227.73-2.99+0.98=5.726.34-4.15+9.35=11.54

1.9-1.6+8.78=9.087.78-3.72+4.71=8.776.18-0.18+1.65=7.65

8.83-7.96+6.41=7.289.72-8.92+5.51=6.316.71-3.56+8.8=11.95

5.4-0.98-0.9=3.527.79-0.14-4.92=2.739.56-0.12-7.64=1.8

7.85-2.86-4.06=0.938.08-5.43-1.33=1.327.66-3.13-0.55=3.98

8.12-5.99-1.01=1.127.57-0.04-7.42=0.119.06-6.07-2.36=0.63

4.04-0.5-0.37=3.178.82-2.67-5.82=0.333.81-1.12-2.44=0.25

6.23-1.41-3.82=18.49-0.13-2.79=5.577.23-2.74-2.7=1.79

6.77-1.29-4.54=0.946.97-1.88-0.73=4.368.42-6.12-0.66=1.64

5.98+0.32+6.69+5.47=18.462.32+6.01+2.4+1.22=11.953.85+7.5+2.31+8.47=22.13

7.42+2.09+8.87+0.58=18.961.05+9.25+3.49+6.96=20.750.75+8.87+2.99+4.59=17.2

0.2+9.05+2.94+2.42=14.618.22+8.04+7.76+4.54=28.565.77+1.3+8.01+5.36=20.44

9.97+5.82+0.08+5.33=21.29.88+7.05+4.35+9.91=31.195.01+9.51+3.78+5.2=23.5

5.46+1.66+5.62+2.87=15.619.92+6.79+6.05+4.02=26.785.49+6.75+8.98+6.14=27.36

1.73+2.04+7.37+9.99=21.139.88+2.55+8.03+3.38=23.846.97+6.16+8.47+7.07=28.67

3.38+7.59+7.58-4.16=14.392.62+9.26+9.87-7.49=14.261.05+6.96+7.48-1.95=13.54

5.87+7.34+2.15-7.15=8.210.08+1.34+4.58-4.06=1.943.26+7.58+7.61-3.06=15.39

9.19+2.44+4.87-4.84=11.661.28+8.55+6.62-5.42=11.039.45+2.77+0.32-5.29=7.25

3.86+4.43+4.01-8.97=3.332.62+9.85+7.05-5.34=14.184.01+5.01+4.05-0.76=12.31

6.08+7.94+4.69-7.09=11.629.77+5.41+4.42-4.03=15.575.58+2.43+8.22-0.13=16.1

7.06+2.28+2.4-0.83=10.919.31+4.94+7.47-2.15=19.574.27+5.31+8.93-7.39=11.12

0.04+9.45-0.43+1.33=10.396.35+6.04-8.92+0.21=3.683.59+2.15-0.3+8.32=13.76

8.4+7.73-7.95+2.02=10.29.48+9.15-5.01+3.7=17.323.35+8.68-5.59+2.4=8.84

3.02+3.96-1.77+1.3=6.519.17+8.42-6.12+5.91=17.381+5.12-4+9.59=11.71

9.68+8.85-6.03+1.81=14.316.43+6.76-5.95+9.85=17.091.77+4.23-4.87+4.7=5.83

3.51+9.67-6.73+6.95=13.49.13+9.67-7.67+3.82=14.958.54+7.79-5.91+8.3=18.72

8.02+1.44-8.18+0.7=1.983.39+8.25-0.12+3.41=14.936.17+8.93-3.73+7.38=18.75

6.13+4.89-0.35-8.26=2.411.26+9.27-5.64-1=3.896.79+6.12-3.69-3.99=5.23

7.66+9.8-4.77-0.16=12.530.29+9.07-6.25-1.81=1.38.05+7.89-2.47-2.77=10.7

5.51+1.37-3.28-2.31=1.296.21+6.58-2.9-0.37=9.526.23+2.81-3.43-0.08=5.53

8.89+7.51-0.26-9.4=6.746.89+9.42-4.75-1.96=9.66.71+2.26-1.86-5.71=1.4

8.71+2.88-2.47-3.15=5.971.82+5.39-3.46-1.47=2.288.66+6.8-8.87-6.17=0.42

4.07+0.62-2.14-2.45=0.19.2+0.79-0.74-8.79=0.465.28+8.52-2.1-1.37=10.33

2.24-0.42+3.21+9.27=14.33.29-2.91+6.28+6.16=12.822.37-0.43+3.96+2.06=7.96

4.04-3.04+2.84+3.47=7.316.81-1.58+5.88+5.22=16.338.27-8.09+2.83+2.96=5.97

8.08-0.74+8.38+8.65=24.371.23-0.66+9.91+8.73=19.214.01-1.14+7.4+5.37=15.64

7.29-7.01+2.56+6.82=9.668.53-3.02+1.38+4.65=11.549.79-8.48+1.65+5.62=8.58

1.79-0.63+0.48+5.01=6.659.67-6.7+8.1+4.48=15.552.73-0.04+1.19+7.81=11.69

2.96-0.76+1.14+2.5=5.847.73-2.86+0.34+2.05=7.265.28-1.55+9.18+9.35=22.26

8.55-4.46+4.54-0.86=7.779.87-5.02+2.47-4.01=3.319.13-1.75+5.28-8.44=4.22

9.58-1.95+4.91-4.63=7.916.63-1.01+6.04-7.23=4.437.74-3.62+6.44-3.15=7.41

9.08-5.71+2.99-4.44=1.926.75-0.8+5.63-8.06=3.521.93-1.74+8.5-3.21=5.48

4.94-1.89+9.85-5.05=7.857.21-6.95+9.34-5.11=4.498.08-4.71+7.37-5.68=5.06

9-4+1.71-5.08=1.638.91-2.42+2.88-5.17=4.24.86-3.44+6.93-2.02=6.33

5.42-0.57+7.47-3.38=8.946.11-0.25+2.54-3.79=4.618.14-1.83+9.93-8.38=7.86

7.48-0.5-3.23+3.83=7.586.71-3.41-1.25+5.83=7.886.02-0.25-1.04+9.1=13.83

8.68-3.27-4.69+6.16=6.886.46-1.68-3.17+5.87=7.487.55-2.47-4.16+0.43=1.35

8.12-1.17-4.5+2.89=5.348.11-3.89-2.53+3.32=5.018.1-2.05-4.12+8.33=10.26

7.11-4.86-0.73+0.46=1.984.69-2.11-0.6+7.95=9.938.79-5.12-3.07+2.2=2.8

8.42-2.16-5.19+8.5=9.577.11-1.44-1.55+5.62=9.748.87-1.19-5.42+1.84=4.1

9.64-3.21-4.95+0.6=2.087.64-0.65-2.44+0.41=4.966.87-0.56-4.8+6.92=8.43

7.19-6.91-0.06-0.12=0.19.53-2.87-2.77-0.6=3.299.55-3.57-2.81-1.95=1.22

8.54-0.02-0.31-6.79=1.428.49-0.62-2.87-0.74=4.264.63-1.59-0.99-1.76=0.29

9.54-5.1-0.48-0.43=3.537.08-0.88-1.69-1.65=2.867.21-